In the most serious shortage scenarios, those emergency steps can lead to rolling blackouts.

Parts of California will swelter in temperatures well above normal this week during a late-summer heat wave that will likely mean increased electricity demand. Stream San Diego News for free, 24/7, ...

Southern California heat wave alert: cut power use from 4 to 9 p.m., pre-cool your home, and shift appliance use to avoid ...

As we enter the peak of the heat wave today, there's a risk we might overload the power grid. This tracker shows how close we are to the tipping point in real-time. FRESNO, Calif. -- As Central ...

When temperatures start to rise, there's a chance Californians will be asked to conserve power. One of the most common steps is a statewide Flex Alert, a request to voluntarily reduce power use by ...

The California Independent System Operator has issued a Flex Alert for Wednesday due to high heat and increased energy demand. The Flex Alert will be in effect from 4 to 9 p.m. Stream Los Angeles News ...

The California Independent System Operator issues restriction notices to utilities, but no Flex Alerts for home and ...

The California Independent System Operator, or ISO, has issued a statewide Flex Alert, a call for voluntary electricity conservation, from 3 to 10 p.m. on Friday, Aug. 14. With high temperatures in ...

California hasn't needed a Flex Alert in nearly four years, and officials say battery storage is a big reason why. LOS ANGELES -- California has not needed to issue a Flex Alert in nearly four years, ...

When temperatures start to rise, there's a chance Californians will be asked to conserve power. Stream San Diego News for free, 24/7, wherever you are with NBC 7. WATCH HERE One of the most common ...

LOS ANGELES -- California has not needed to issue a Flex Alert in nearly four years, a development officials attribute largely to significant growth in battery storage capacity that has strengthened ...